body,
form,
dd,
ul,
li {
    padding: 0;
    margin: 0;
}

body {
    font-family: '微软雅黑';
}

form {
    width: 600px;
    height: 300px;
    margin: 50px auto 0 auto;
}

dd {
    width: 560px;
    height: 60px;
    position: relative;
    left: 40px;
}

.user_dd {
    margin-top: 20px;
}

input[type=submit] {
    display: block;
    margin-left: 80px;
    width: 120px;
    height: 35px;
    color: white;
    font-size: 24px;
    background: orange;
    border-radius: 5px;
}

input:hover {
    outline: none;
}

input {
    width: 160px;
    height: 24px;
    border: 1px solid #ccc;
}

.info,
.safe {
    display: none;
    margin-left: 5px;
    width: 247px;
    height: 30px;
    background: url(img/info.gif) no-repeat;
    position: absolute;
    left: 250px;
    top: 0;
    color: #666;
    padding: 10px 0 0 40px;
}

.user_put {
    height: 80px;
    line-height: 26px;
}

.pass_put {
    height: 60px;
    line-height: 26px;
}

.info_error {
    display: none;
    width: 247px;
    height: 30px;
    margin-left: 5px;
    background: url(img/info.gif) no-repeat 0 -190px;
    position: absolute;
    left: 250px;
    top: 0;
    color: red;
    padding: 10px 0 0 40px;
}

.info p,
.safe p {
    width: 282px;
    height: 1px;
    background: #B9E3FF;
    position: absolute;
    left: 5px;
    top: 23px;
}

.info_error p {
    width: 282px;
    height: 1px;
    background: #FFC7C7;
    position: absolute;
    left: 5px;
    top: 24px;
}

.user_put p {
    top: 73px;
}

.pass_put p {
    top: 53px;
}

.safe .s {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid #ccc;
    background: #ccc;
}

.ok {
    display: none;
    width: 20px;
    height: 20px;
    background: url(img/ok.gif) no-repeat;
    position: absolute;
    left: 260px;
    top: 8px;
}

.word {
    margin-left: 5px;
    color: #000;
}

.auto_complete {
    display: none;
    width: 160px;
    height: 120px;
    background: #eee;
    border: 1px solid #ccc;
    list-style-type: none;
    position: absolute;
    left: 78px;
    z-index: 10;
}

.auto_complete li {
    width: 100%;
    height: 30px;
    line-height: 30px;
    border-bottom: 1px solid #ff3;
    font-size: 10px;
    cursor: pointer;
}

.auto_complete li:hover {
    background: #ff8;
}

.auto_complete .last_li {
    border-bottom: none;
}
